CVE-2026-64619
FileCodeBox < 2.4 Anti-bruteforce Rate Limit Bypass via Spoofed Headers
- State
- Published
- Severity
- 8.7 High
- Published
- Jul 20, 2026
- Updated
- Jul 28, 2026
- Reserved
- Jul 20, 2026
Description
FileCodeBox before 2.4 contains a rate-limit bypass vulnerability in the IPRateLimit class that allows unauthenticated attackers to circumvent request throttling by supplying attacker-controlled X-Real-IP and X-Forwarded-For headers without verification of trusted reverse proxy origin. Attackers can supply unique spoofed IP values on each request to enumerate all possible share codes and retrieve other users' files without authentication.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-348 Use of Less Trusted Source
Affected Products
| Product | Versions |
|---|---|
FileCodeBoxvastsa |
|
References
- Researcher Disclosuretechnical-descriptionissue-tracking
- FileCodeBox 2.4 Release Notespatchrelease-notes
- Patch Commitpatch
- https://www.vulncheck.com/advisories/filecodebox-anti-bruteforce-rate-limit-bypass-via-spoofed-headersthird-party-advisory
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